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| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3659 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 544 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 = wceq 1567 ∈ wcel 2149 {crab 3423 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3424 df-v 3465 |
| This theorem is referenced by: unimax 4914 fnelfp 7174 fnelnfp 7176 fnse 8128 fin23lem30 10325 isf32lem5 10340 negn0 11642 ublbneg 12956 supminf 12958 sadval 16513 smuval 16538 dvdslcm 16655 dvdslcmf 16688 isprm2lem 16738 isacs1i 17712 isinito 18052 istermo 18053 subgacs 19226 nsgacs 19227 odngen 19646 sdrgacs 20881 lssacs 21065 ssdifidllem 21452 mretopd 23217 txkgen 23777 xkoco1cn 23782 xkoco2cn 23783 xkoinjcn 23812 ordthmeolem 23926 shft2rab 25635 sca2rab 25639 lhop1lem 26140 ftalem5 27206 vmasum 27345 eqcuts2 27944 elmade 28015 addonbday 28437 israg 28935 ebtwntg 29272 eupth2lem3lem3 30521 eupth2lem3lem4 30522 eupth2lem3lem6 30524 cycpmco2lem1 33386 cycpmco2lem4 33389 cycpmco2 33393 1arithufdlem2 33779 tgoldbachgt 34994 cvmliftmolem1 35671 nmulr0 36585 neibastop3 36761 fdc 38283 pclvalN 40553 dvhb1dimN 41649 hdmaplkr 42576 aks4d1p8 42743 sticksstones1 42802 fsuppssind 43216 diophren 43431 islmodfg 43687 fsovcnvlem 44630 ntrneiel 44698 radcnvrat 44915 supminfxr 46069 stoweidlem34 46639 |
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